<template>
    <div class="wrapper">
        <swiper :options="swiperOption" v-if="showSwiper">
            <swiper-slide v-for="item of list" :key="item.id">
                <img class="swiper-img" :src="item.imgUrl" />
            </swiper-slide>
            <div class="swiper-pagination"  slot="pagination"></div>
        </swiper>
    </div>
</template>

<script>
export default {
  name: 'HomeSwiper',
  props: {
    list: Array
  },
  data () {
    return {
      swiperOption: {
        pagination: '.swiper-pagination',
        loop: true
      }
    }
  },
  computed: {
    showSwiper () {
      return this.list.length
    }
  }
}
</script>

<style scoped>
/* >>>穿透的意思 让wrapper这个组件下面的所以子组件有这个样式 */
.wrapper >>>.swiper-pagination-bullet-active {
  background: #fff;
}
.wrapper {
  overflow: hidden;
  width: 100%;
  height: 0;
  padding-bottom: 31.25%;
}
.swiper-img {
  width: 100%;
}

</style>
